Elon Musk, the Tesla CEO, world's richest man and OpenAI cofounder, took the stand Tuesday in a high-stakes trial revolving around a bitter feud between himself and former friends Sam Altman and Greg Brockman that could reshape the future development of artificial intelligence.

A jury is about to weigh whether Sam Altman deceived Elon Musk into funding OpenAI with promises it would operate as a nonprofit for humanity’s benefit. But the legal team for the world’s richest man faces stiff challenges.

Heavy hitters in Silicon Valley including Musk, Altman and Microsoft CEO Satya Nadella are expected to testify in person. Shivon Zilis, a former OpenAI board member who is also mo

Technology tycoons Elon Musk and Sam Altman are poised to face off in a high-stakes trial revolving around the alleged betrayal, deceit and unbridled ambition that blurred the bickering billionaires’

The OpenAI trial has begun, kicking off a showdown between Elon Musk and Sam Altman. Both men are in court, and Musk is expected to testify.

Elon Musk is set to testify in court as soon as Tuesday in his legal showdown against Sam Altman. The outcome of the trial could determine the future of OpenAI, the tech giant that the two billionaires cofounded as a nonprofit in 2015.

Opening statements have begun in a trial offering differing views of Musk’s early financial support of OpenAInand its conversion to a for-profit company.

OpenAI co-founders Elon Musk and Sam Altman have shown up for Tuesday’s opening statements in a high-stakes trial revolving around a bitter feud between the former friends that could reshape the futur